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    • 1. 发明授权
    • Polyamide laminated film
    • 聚酰胺层压膜
    • US06294263B1
    • 2001-09-25
    • US09263988
    • 1999-03-05
    • Haruo OkudairaAkira MatsudaSinitiro OkumuraKazumoto ImaiTsutomu Oko
    • Haruo OkudairaAkira MatsudaSinitiro OkumuraKazumoto ImaiTsutomu Oko
    • B32B2708
    • B32B27/34Y10S428/91Y10T428/31725Y10T428/31728Y10T428/31732Y10T428/31739Y10T428/31743Y10T428/3175
    • The present invention is to provide a polyamide laminated film comprising a resin layer A and a resin layer B formed on at least one surface of the resin layer A, the resin layer A being composed mainly of a m-xylylene group-containing polyamide polymer (a-1) which is one prepared from monomer components containing a xylylenediamine compound as a main diamine component and an &agr;,&ohgr;-aliphatic dicarboxylic acid having from 6 to 12 carbon atoms as a main dicarboxylic acid component, the xylylenediamine compound being m-xylylenediamine alone or a mixture of m-xylylenediamine and p-xylylenediamine, and the resin layer B being mainly composed of a mixed polymer (b-3) which is a mixture of from 99 to 80% by weight of an aliphatic polyamide (b-1) and from 1 to 20% by weight of an elastomer (b-2). The laminated film is good in a gas barrier property and also in a flexural fatigue resistance and a transparency.
    • 本发明提供一种聚酰胺层合膜,其包含树脂层A和形成在树脂层A的至少一个表面上的树脂层B,树脂层A主要由含间亚二甲苯基的聚酰胺聚合物组成 a-1),其是含有作为主要二胺组分的苯二甲胺化合物和具有6-12个碳原子的α,ω-脂肪族二羧酸作为主要二羧酸组分的单体成分,所述苯二甲胺化合物是间苯二甲胺 单独或间苯二甲胺和对苯二甲胺的混合物,树脂层B主要由混合聚合物(b-3)组成,该混合聚合物是以99〜80重量%的脂肪族聚酰胺(b-1) 和1〜20重量%的弹性体(b-2)。该层压膜具有良好的阻气性和抗弯曲疲劳性以及透明性。
    • 2. 发明授权
    • Polyester laminate film, metal plate laminated with this film and film-laminated metal container
    • 聚酯层压膜,与该膜层压的金属板和薄膜层压的金属容器
    • US06277455B1
    • 2001-08-21
    • US09226074
    • 1999-01-06
    • Hideki ShimizuHiroshi NaganoTsutomu OkoHideki Igushi
    • Hideki ShimizuHiroshi NaganoTsutomu OkoHideki Igushi
    • B32B1504
    • B32B27/18B32B15/08B32B27/36Y10S428/91Y10T428/1352Y10T428/1355Y10T428/1359Y10T428/24942Y10T428/25Y10T428/31678Y10T428/31681Y10T428/31786
    • A polyester laminate film comprising plural polyester layers, which comprises one surface layer comprising a polyester and a lubricant having an average particle size of 1-3 &mgr;m in a proportion of 1-5 wt % and the other surface layer comprising a polyester wherein 5-15 mol % of the entire acid component is a dimer acid component, the polyester laminate film having a crystallization peak temperature of 80-120° C. under temperature rise of the film The polyester laminate film of the present invention has a lower crystallization peak temperature when the film is under temperature rise, as compared to conventional polyethylene terephthalate. As a consequence, the film is free of whitening upon retorting, even after the film was subjected to remelting treatment and rapid cooling for noncrystallization and unorienting. Therefore, the film serves well as a laminate film for food containers and beverage cans that undergo retort sterilization. Inasmuch as the polyester layer on one surface contains a large amount of a lubricant and has releasing property, the film serves well as a laminate film for a metal plate, which is required to have releasing property from a mold during manufacture of containers such as a two-piece can. The polyester layer on the other surface contains a large amount of dimer acid and the film is superior in impact resistance. Hence, the film serves well as a laminate film for a metal container which is susceptible to damage due to impact during distribution process.
    • 一种聚酯层压膜,包括多个聚酯层,其包含一个表面层,其包含聚酯和平均粒度为1-3μm的润滑剂,其比例为1-5wt%,另一个表面层包含聚酯,其中5- 整个酸成分的15摩尔%是二聚酸成分,该聚酯层压膜在膜的升温下具有80-120℃的结晶峰温度本发明的聚酯层压膜具有较低的结晶峰温度 当与常规的聚对苯二甲酸乙二醇酯相比,该膜处于升温状态。 因此,即使在膜进行再熔化处理和快速冷却以进行非结晶和取向后,该膜在蒸煮时也不会变白。 因此,作为经过蒸煮灭菌的食品容器和饮料罐的层压膜,该膜很好地起作用。 由于一个表面上的聚酯层含有大量的润滑剂并且具有脱模性,所以该薄膜很好地用作金属板的层合膜,在制造容器期间需要具有从模具释放性能,例如 两件式可以。 另一面的聚酯层含有大量的二聚酸,该膜的耐冲击性优异。 因此,作为用于金属容器的层压膜,由于在分配过程中由于冲击而易受损伤,因此该膜很好地起作用。
    • 5. 发明授权
    • Meta-xylylene diamine/aliphatic dicarboxylic acid polyamide film
    • 亚甲基二胺/脂族二羧酸聚酰胺薄膜
    • US4133802A
    • 1979-01-09
    • US760848
    • 1977-01-21
    • Makoto HachiboshiKoichi MatsunamiHikoichi NaganoHiroshi IekiTsutomu Oko
    • Makoto HachiboshiKoichi MatsunamiHikoichi NaganoHiroshi IekiTsutomu Oko
    • C08G69/46
    • C08G69/46
    • A drawn film of polyamide having an oxygen permeability coefficient of not more than 5 .times. 10.sup.-13 ml.cm/cm.sup.2.sec.cmHg, a breaking strength of not less than 14 kg/mm.sup.2, a breaking elongation of 30 to 150%, a yield strength of not less than 7 kg/mm.sup.2 and a yield elongation of 2 to 6%, which can be manufactured by drawing an undrawn polyamide film biaxially at a temperature within a certain range and optionally heat treating the resulting drawn film, the said undrawn polyamide film being made of a polyamide having a relative viscosity of about 2.0 to 4.0 when measured with a solution thereof in 96% sulfuric acid at a concentration of 1 g/100 ml at 25.degree. C and containing in the molecule not less than 70% (mol) of the repeating unit constituted with metaxylylenediamine or its mixture with paraxylylenediamine and an .alpha.,.omega.-aliphatic dicarboxylic acid having 6 to 10 carbon atoms, which is useful as a packaging material due to its excellent properties in tensile strength, yield strength, Young's modulus, heat stability, size stability, transparency, gas barrier property, etc.
    • 氧透过系数不大于5×10-13毫升/厘米2·sec·cmHg,断裂强度为14kg / mm2以上,断裂伸长率为30〜150%的聚酰胺的拉伸膜, 屈服强度不小于7kg / mm2,屈服伸长率为2至6%,其可以通过在一定范围内的温度下双轴拉伸未拉伸的聚酰胺膜并任选地热处理所得拉伸膜来制造,所述 未拉伸聚酰胺薄膜由相对粘度为约2.0〜4.0的聚酰胺制成,当用其溶液在96%硫酸中,浓度为1g / 100ml,25℃,分子量不低于70 由间苯二甲胺或其与对二甲苯二胺的混合物构成的重复单元的%(mol)和具有6至10个碳原子的α,ω-脂肪族二羧酸,由于其优异的拉伸强度,屈服强度, ,哟 单元模量,热稳定性,尺寸稳定性,透明性,阻气性等。
    • 6. 发明申请
    • Heat shrinkable polyester film
    • 热收缩聚酯薄膜
    • US20050196563A1
    • 2005-09-08
    • US11035074
    • 2005-01-14
    • Hideki ItoMasatosi HashimotoYukinobu MukouyamaNorimi TabotaTsutomu Oko
    • Hideki ItoMasatosi HashimotoYukinobu MukouyamaNorimi TabotaTsutomu Oko
    • B29C61/02C08J5/18B32B1/08
    • C08J5/18C08J2367/02Y10T428/13
    • A heat shrinkable polyester film of the present invention has a transverse tear defect percentage of about 20% or less as determined in the following vibration test: the film is rolled into a tubular shape, two of its opposite edges bonded together, and then the tubular film is placed around a vertical stack (total weight: 660 g) of three food container cans each having a diameter of 72 mm and a height of 55 mm; the can stack with the tubular film placed therearound is passed through a shrink tunnel to shrink the tubular film onto the can stack; a total of 18 packs of such can stacks are placed into a cardboard box having a length of 455 mm, a width of 230 mm and a height of 165 mm (6 packs in the length direction by 3 packs in the width direction), and the cardboard box is sealed; the cardboard box is vibrated along the width direction for 30 min by a stroke of 50 mm and at a vibration rate of 180 reciprocations/min, after which the transverse tearage of the tubular film is visually observed; and the transverse tear defect percentage (%) is determined based on the number of defective packs per 18 packs, wherein the defective pack is any pack having a tear flaw of 30 mm or longer along a can periphery. The heat shrinkable polyester film of the present invention has a good shock resistance during shipping especially under low temperatures, with a good finish after shrinkage and a sufficient solvent adhesiveness. Thus, the heat shrinkable polyester film of the present invention is suitable for use in a multi-packaging label for packaging, inter alia, a stack of cans.
    • 本发明的热收缩聚酯薄膜在以下振动试验中确定的横向撕裂缺陷率为约20%以下:将薄膜卷成管状,将其两个相对的边缘粘合在一起,然后将管状 将薄膜放置在直径为72mm,高度为55mm的三个食物容器罐的垂直叠层(总重量:660g)周围; 将放置在其周围的管状膜的堆叠通过收缩通道将管状膜收缩到罐叠上; 将总共​​18个这样的罐堆叠放置在长度为455mm,宽度为230mm,高度为165mm的纸板箱(沿长度方向6个宽度方向上包装3个包装)的纸板箱中,以及 纸箱被密封; 纸板箱沿宽度方向振动30分钟,行程为50毫米,振动速度为180次/分钟,此后目视观察到管状薄膜的横向撕裂; 横向撕裂缺陷百分比(%)是根据每18包的缺陷包的数量确定的,其中,有缺陷的包装是沿罐周边具有30mm或更长的撕裂缺陷的任何包装。 本发明的热收缩性聚酯膜在运输时具有良好的抗冲击性,特别是在低温下,收缩后的良好的涂饰和充分的溶剂粘附性。 因此,本发明的热收缩聚酯薄膜特别适合用于多包装标签中,尤其是包装一叠罐。
    • 8. 发明授权
    • Polyester laminate film, metal plate laminated with this film and film-laminated metal container
    • 聚酯层压膜,与该膜层压的金属板和薄膜层压的金属容器
    • US06309720B1
    • 2001-10-30
    • US09664772
    • 2000-09-19
    • Hideki ShimizuHiroshi NaganoTsutomu OkoHideki Igushi
    • Hideki ShimizuHiroshi NaganoTsutomu OkoHideki Igushi
    • B32B1508
    • B32B27/18B32B15/08B32B27/36Y10S428/91Y10T428/1352Y10T428/1355Y10T428/1359Y10T428/24942Y10T428/25Y10T428/31678Y10T428/31681Y10T428/31786
    • A polyester laminate film comprising plural polyester layers, which comprises one surface layer comprising a polyester and a lubricant having an average particle size of 1-3 &mgr;m in a proportion of 1-5 wt % and the other surface layer comprising a polyester wherein 5-15 mol % of the entire acid component is a dimer acid component, the polyester laminate film having a crystallization peak temperature of 80-120° C. under temperature rise of the On The polyester laminate film of the present invention has a lower crystallization peak temperature when the film is under temperature rise, as compared to conventional polyethylene terephthalate. As a consequence, the film is free of whitening upon retorting, even after the film was subjected to remelting treatment and rapid cooling for noncystallization and unorienting. Therefore, the film serves well as a laminate film for food containers and beverage cans that undergo retort sterilization. Inasmuch as the polyester layer on one surface contains a large amount of a lubricant and has releasing property, the film serves well as a laminate film for a metal plate, which is required to have releasing property from a mold during manufacture of containers such as a two-piece can. The polyester layer on the other surface contains a large amount of dimer acid and the film is superior in impact resistance. Hence, the film serves well as a laminate film for a metal container which is susceptible to damage due to impact during distribution process.
    • 一种聚酯层压膜,包括多个聚酯层,其包含一个表面层,其包含聚酯和平均粒度为1-3μm的润滑剂,其比例为1-5wt%,另一个表面层包含聚酯,其中5- 全部酸成分的15摩尔%为二聚酸成分,在本发明的聚酯层压膜上升温度下,聚酯层压膜的结晶峰温度为80-120℃,结晶峰温度较低 当与常规的聚对苯二甲酸乙二醇酯相比,该膜处于升温状态。 因此,即使在膜进行再熔化处理和快速冷却以进行非结晶和取向后,该膜在蒸煮时也不会发白。 因此,作为经过蒸煮灭菌的食品容器和饮料罐的层压膜,该膜很好地起作用。 由于一个表面上的聚酯层含有大量的润滑剂并且具有脱模性,所以该薄膜很好地用作金属板的层合膜,在制造容器期间需要具有从模具释放性能,例如 两件式可以。 另一面的聚酯层含有大量的二聚酸,该膜的耐冲击性优异。 因此,作为用于金属容器的层压膜,由于在分配过程中由于冲击而易受损伤,因此该膜很好地起作用。